
Brief introduction of cordierite
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- Time of issue:2020-08-04 17:47
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(Summary description)1) High-purity chemical raw materials (MgO, Al2O3 and SiO2) are used to synthesize cordierite at high temperature. In order to obtain cordierite refractories with high cordierite content and a certain porosity, the researchers used X-ray diffractometer, scanning electron microscope and thermal dilatometer The effects of adding CeO2 on the phase composition and properties of cordierite ceramics were studied when cordierite ceramics were prepared from oxide powders (MgO, Al2O3 and SiO2), and the mechanism of CeO2 in the sintering process was analyzed. The advantage of this process is that the purity of the synthesized product is high, but the disadvantage is that the process cost is high and the reaction temperature
Brief introduction of cordierite
(Summary description)1) High-purity chemical raw materials (MgO, Al2O3 and SiO2) are used to synthesize cordierite at high temperature. In order to obtain cordierite refractories with high cordierite content and a certain porosity, the researchers used X-ray diffractometer, scanning electron microscope and thermal dilatometer The effects of adding CeO2 on the phase composition and properties of cordierite ceramics were studied when cordierite ceramics were prepared from oxide powders (MgO, Al2O3 and SiO2), and the mechanism of CeO2 in the sintering process was analyzed. The advantage of this process is that the purity of the synthesized product is high, but the disadvantage is that the process cost is high and the reaction temperature
- Categories:Company News
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- Time of issue:2020-08-04 17:47
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The common high temperature solid phase synthesis method has the following two processes:
1) High-purity chemical raw materials (MgO, Al2O3 and SiO2) are used to synthesize cordierite at high temperature. In order to obtain cordierite refractories with high cordierite content and a certain porosity, the researchers used X-ray diffractometer, scanning electron microscope and thermal dilatometer The effects of adding CeO2 on the phase composition and properties of cordierite ceramics were studied when cordierite ceramics were prepared from oxide powders (MgO, Al2O3 and SiO2), and the mechanism of CeO2 in the sintering process was analyzed. The advantage of this process is that the purity of the synthesized product is high, but the disadvantage is that the process cost is high and the reaction temperature is high.
2) Taking natural raw materials such as talc and clay as main reactants, adding appropriate amount of alumina or magnesia chemical raw materials, mixing them uniformly, and sintering at 1390-1400°C to prepare cordierite ceramics. The advantage of this method is that the reaction raw materials are partially natural raw materials, and the source of raw materials is relatively wide; the disadvantage is that the product purity is not high, and some high-purity chemical materials such as Mg0, Al203 and SiO2 need to be introduced into the reaction raw materials, and the cost needs to be further reduced.
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